Physics, 21.10.2019 20:00 monster5368
The sun is essential to life on earth. which of the statements is not true about the sun's importance to life on the earth?
a)the sun supports a livable temperature and climate.
b)the sun supports the processes of plate tectonics.
c)the sun keeps the earth in orbit because of its gravitational attraction.
d)the sun supports the processes of the water cycle.
Answers: 3
Physics, 21.06.2019 22:30
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
Physics, 22.06.2019 08:00
Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
Answers: 3
Physics, 22.06.2019 21:30
Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?
Answers: 2
The sun is essential to life on earth. which of the statements is not true about the sun's importanc...
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